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From 34397fe702ae21a3566e166b4001e8121766d5a7 Mon Sep 17 00:00:00 2001
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From: Harald Hoyer <harald@redhat.com>
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Date: Mon, 2 Dec 2013 10:36:42 +0100
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Subject: [PATCH] network/net-lib.sh:iface_has_link() fixup
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Just echo'ing the flags IFF_UP|IFF_RUNNING does _not_ reflect the
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carrier state immediately. So wait for it to really show up.
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---
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modules.d/40network/net-lib.sh | 47 +++++++++++++++++++++---------------------
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1 file changed, 23 insertions(+), 24 deletions(-)
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diff --git a/modules.d/40network/net-lib.sh b/modules.d/40network/net-lib.sh
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index 0aa312a..7544401 100644
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--- a/modules.d/40network/net-lib.sh
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+++ b/modules.d/40network/net-lib.sh
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@@ -28,30 +28,6 @@ iface_for_mac() {
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done
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}
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-iface_has_link() {
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- local interface="$1" flags=""
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- [ -n "$interface" ] || return 2
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- interface="/sys/class/net/$interface"
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- [ -d "$interface" ] || return 2
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- flags=$(cat $interface/flags)
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- echo $(($flags|0x41)) > $interface/flags # 0x41: IFF_UP|IFF_RUNNING
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- [ "$(cat $interface/carrier)" = 1 ] || return 1
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- # XXX Do we need to reset the flags here? anaconda never bothered..
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-}
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-
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-find_iface_with_link() {
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- local iface_path="" iface=""
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- for iface_path in /sys/class/net/*; do
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- iface=${iface_path##*/}
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- str_starts "$iface" "lo" && continue
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- if iface_has_link $iface; then
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- echo "$iface"
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- return 0
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- fi
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- done
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- return 1
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-}
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-
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# get the iface name for the given identifier - either a MAC, IP, or iface name
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iface_name() {
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case $1 in
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@@ -483,3 +459,26 @@ type hostname >/dev/null 2>&1 || \
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hostname() {
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cat /proc/sys/kernel/hostname
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}
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+
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+iface_has_link() {
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+ local interface="$1" flags=""
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+ [ -n "$interface" ] || return 2
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+ interface="/sys/class/net/$interface"
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+ [ -d "$interface" ] || return 2
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+ linkup "$1"
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+ [ "$(cat $interface/carrier)" = 1 ] || return 1
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+ # XXX Do we need to reset the flags here? anaconda never bothered..
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+}
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+
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+find_iface_with_link() {
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+ local iface_path="" iface=""
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+ for iface_path in /sys/class/net/*; do
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+ iface=${iface_path##*/}
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+ str_starts "$iface" "lo" && continue
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+ if iface_has_link $iface; then
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+ echo "$iface"
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+ return 0
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+ fi
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+ done
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+ return 1
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+}
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